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https://issues.apache.org/jira/browse/CASSANDRA-14934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anonymous updated CASSANDRA-14934:
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Since Version: 3.11.3
Status: Testing (was: Awaiting Feedback)
> Cassandra Too many open files .
> -------------------------------
>
> Key: CASSANDRA-14934
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14934
> Project: Cassandra
> Issue Type: Bug
> Components: Configuration
> Environment: This is in the Production environment .
> We have observed 70k open files for the process in non-prd .
>
> Attached the entire logs of the open files .
> Reporter: Umashankar
> Assignee: Umashankar
> Priority: Major
> Labels: performance
> Fix For: 3.10
>
>
> We have 4 Node with 2 DC .
> We are seeing
> Caused by: java.nio.file.FileSystemException:
> /apps/cassandra/data/commitlog/CommitLog-6-1544453835569.log: Too many open
> files .
> We have increased the ulimit to 24 k.
> lsof | grep <processid>
> .3.3 million records .
>
> Found ~ .2.5 millions of records are of TCP connection with either Socket
> connection status as ESTABLISHED/LISTEN . Found that connections are of
> datasource on 9042 .
>
> Thanks
>
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